First-class balanced indoor wall-mounted speakers, medium gray wooden shell, iron mesh The equipment is designed with embedded computer technology and DSP audio processing technology High-speed industrial-grade chips are used, and the startup time is less than 1s Built-in 1-channel network hardware audio decoding module, supporting TCP/IP, UDP, IGMP (multicast. protocols Realize network transmission of 16-bit stereo CD-quality audio signals Built-in Class D stereo 2×25W amplifier circuit, with delicate sound quality and strong power Adopt 5.25-inch mid-bass unit and 1.5-inch tweeter unit to provide clear language performance 1 stereo line input, 1 microphone input, each with independent sealed volume potentiometer, never adjust noise 1 short-circuit signal input, can access linkage trigger signal, can trigger terminal alarm in emergency 1 short-distance signal output, can trigger other devices in emergency 4G microphone has a long transmission distance, after successful connection, it can stably transmit audio data in an open area of more than 20 meters 4G has a long transmission distance, and can stably transmit audio data in an open area of more than 20 meters 4G+ automatically searches for channels with less interference, completes automatic pairing, ensures that the product does not cross-frequency, has strong anti-interference and stable transmission Expanded multiple 2.5G channels, effectively avoiding 2.4G signal interference such as WIFI/Bluetooth Adopting 48kHz/16bit sampling rate to meet the requirements of high-quality audio transmission All settings have the function of automatic memory when power is off, and personalized settings are more convenient to use Automatic audio energy detection, when no speech or audio input is detected, the module can output a control signal to control the amplifier to mute Head-mounted design, compact size, ultra-low power consumption The device IP address has a reset button, and the initial settings can be restored when the IP address is lost Built-in audio processing circuit, support multi-channel signal amplification, mixing, support 3-level audio signal priority management Support 1000-level custom audio priority mute control Support PSTN telephone broadcasting, support SMS voice broadcasting Support mobile WIFI on-demand, support wireless remote control on-demand Support server unified authorization operation management function, unified configuration management user and password Support DHCP, compatible with routers, switches, bridge gateways, Modem, Internet, 2G, 3G, 4G, multicast, unicast and other network structures Supports intelligent voice prompt function when registering new terminal configuration (if the device is connected. Supports 15KVESD protection, built-in network isolation lightning protection circuit Digital network products, easy to expand, not restricted by geographical location, no need to add room management equipment Adopts the design concept of common network free line construction, easy to install The equipment power supply adopts a wide voltage external adapter design, AC100~240V voltage can work normally
